Xiaomi MIUI 7 officially presented last year. In a few months, most of Xiaomi smartphones have been upgraded to the new MIUI 7, or on the basis of Android Lollipop, or on the basis of Android 4.4.
Currently, the company starts to distribute the upgrade to the current version, namely to MIUI 7.1 from tomorrow.
Update Deployment will begin on January 5, from 11 am. If you are using a development version, you will not have to worry about the new features, as they are already in the firmware.
Here is a list of models that will have a global version of the MIUI 7.1 from 5 January: Mi 3, Mi 4, Mi Note, Mi 4i, Redmi Note 4G, Redmi 2 / Prime, Redmi 1S, Redmi Note Prime, Redmi Note 2, Redmi Note 3G, Mi Pad.
As you can see, some of the models, such as Mi 2 / 2S, Redmi 2, Redmi Note 2, and Redmi Note 3 are not listed. But there is information that these devices will receive the update later, on 11 January.